81434045

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4919}}^1$

素因数の和:4985

約数の個数: 32

約数和(自身を含む): 124692480

約数和(自身を除く): 43258435

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1505, 2365, 3311, 4919, 16555, 24595, 34433, 54109, 172165, 211517, 270545, 378763, 1057585, 1480619, 1893815, 2326687, 7403095, 11633435, 16286809, 81434045]

約数ペア:

[(1, 81434045), (5, 16286809), (7, 11633435), (11, 7403095), (35, 2326687), (43, 1893815), (55, 1480619), (77, 1057585), (215, 378763), (301, 270545), (385, 211517), (473, 172165), (1505, 54109), (2365, 34433), (3311, 24595), (4919, 16555)]